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In order to get homogeneous nanostructured Aluminum Nitride deposits, thin films were grown at room temperature on [001] Si substrates by radio frequency magnetron reactive sputtering. The deposits were analysed by Transmission Electron…

Materials Science · Physics 2019-09-05 Valerie Brien , P. Pigeat

We report X-ray diffraction and magnetic susceptibility studies of the structural phase transition in $\alpha$-RuCl$_{3}$. By utilizing a single crystal sample with predominantly single twin domain, we show that $\alpha$-RuCl$_{3}$ goes…

Strongly Correlated Electrons · Physics 2023-11-08 Subin Kim , Ezekiel Horsley , Jacob P. C. Ruff , Beatriz D. Moreno , Young-June Kim

V2O3 nanocrystals can be synthesized through hydrothermal reduction of VO(OH)2 using hydrazine as a reducing agent. Addition of different ligands to the reaction produces nanoparticles, nanorods and nanoplatelets of different sizes. Small…

In the present investigation the pure elemental powder mixture of Al (70 at%) Ni (15 at %), Cu (15 at %) was mechanically milled in an attritor ball mill for 10, 20, 40, 60, 80 and 100 hours in hexane medium at 400 rpm. The isothermal…

Materials Science · Physics 2007-05-23 T. P. Yadav , N. K. Mukhopadhyay , R. S. Tiwari , O. N. Srivastava

Thin films of superconducting V$_3$Si were prepared by means of RF sputtering from a compound V$_3$Si target at room temperature onto sapphire and oxide-coated silicon wafers, followed by rapid thermal processing under secondary vacuum. The…

This paper reports on the deposition of amorphous and crystalline thin films of Ga2O3 by reactive pulsed direct current magnetron sputtering from a liquid gallium target onto fused (f-) quartz and c plane (c-) sapphire substrates, where the…

Ga2O3 thin films were deposited by reactive magnetron sputtering from a liquid gallium target. The influence of deposition temperature, substrate type, and discharge parameters on the structural and electrical properties was systematically…

Materials Science · Physics 2026-05-01 Petr Novak , Jan Koloros , Stanislav Haviar , Jiri Rezek , Pavel Baroch

In this work, the results of fabricating ultra thin VO$_2$ films on the technologically relevant amorphous SiO$_2$ surface using reactive DC magnetron sputtering are presented. Results indicate that a post deposition anneal in low partial…

Materials Science · Physics 2016-08-16 Fangfang Song , B. E. White

Thermal stability and phase transformation of conductive $\alpha$-$(\mathrm{Al}_{0.16}\mathrm{Ga}_{0.84})_{2}\mathrm{O}_{3}/\mathrm{Ga}_{2}\mathrm{O}_{3}$ heterostructures on sapphire substrates were investigated using in situ…

The effect of temperature in high purity Ar (low oxygen partial pressure) on the oxidation and crystal phase evolution of c-Al0.66Ti0.33N arc-PVD coatings was investigated. High temperature tribology in Ar jet and adhesion behavior of the…

To understand surface structural modifications for Au/Si (100) system, a thin gold film of ~2.0 nm was deposited under ultra high vacuum (UHV) condition on reconstructed Si surfaces using molecular beam epitaxy (MBE). Post annealing was…

Materials Science · Physics 2017-12-06 A. Rath , J. K Dash , R. R. Juluri , P. V. Satyam

The samples of Ga doped Cr2O3 oxide have been prepared using chemical co-precipitation route. X-ray diffraction pattern and Raman spectra have confirmed rhombohedral crystal structure with space group R3-C. Magnetic measurement has…

Materials Science · Physics 2017-03-08 R. N. Bhowmik , K. Venkata Siva , R. Ranganathan , Chandan Mazumdar

Boron (B) alloying transforms the magnetoelectric antiferromagnet Cr2O3 into a multifunctional single-phase material which enables electric field driven {\pi}/2 rotation of the N\'eel vector. Nonvolatile, voltage-controlled N\'eel vector…

Single crystals of the Kitaev spin-liquid candidate $\alpha$-RuCl$_3$ have been studied to determine low-temperature bulk properties, structure and the magnetic ground state. Refinements of x-ray diffraction data show that the low…

Strongly Correlated Electrons · Physics 2016-04-27 H. B. Cao , A. Banerjee , J. -Q. Yan , C. A. Bridges , M. D. Lumsden , D. G. Mandrus , D. A. Tennant , B. C. Chakoumakos , S. E. Nagler

We have studied the effect of Al doping on the structural, magnetic and electrical properties of La$_{1-x}$Ba$_x$Mn$_{1-x}$Al$_x$O$_3$ ($0\leq x \leq 0.25$) manganite, annealed in two 750$^oC$ and 1350$^oC$ temperatures. The XRD analysis…

Materials Science · Physics 2021-05-24 J. Ardashti Saleh , I. Abdolhosseini Sarsari , P. Kameli , H. Salamati

X-ray absorption spectroscopy measurements in Pr0.5Ca0.5CoO3 were performed at the Pr M4,5, Pr L3, and Ca L2,3 absorption edges as a function of temperature below 300 K. Ca spectra show no changes down to 10 K while a noticeable thermally…

High-pressure X-ray diffraction experiments were performed on Ti-Al-V alloys to investigate the effect of composition on structural stability, focusing on Ti-3Al-2.5V and comparing with pure Titanium and Ti-6Al-4V. Measurements using…

Materials Science · Physics 2026-05-14 D. Errandonea , R. Turnbull , P. Botella , R. Oliva , C. Popescu , S. MacLeod

Er3Fe5-xAlxO12 (0.0 < x < 0.8) garnets were prepared by ball milling and sintering at 1300 C. Rietveld refinement of the samples revealed a garnet structure with Ia3d symmetry. The lattice parameter, cell volume, X-ray density and…

Materials Science · Physics 2019-06-04 Ibrahim Bsoul , Khaled Hawamdeh , Sami H. Mahmood

We report the reduction in residual stress of AlN thin films and also the crystal structure, surface morphology and nanomechanical properties of magnetron sputtered as a function of substrate temperature (Ts, 35 - 600 ?C). The residual…

Materials Science · Physics 2017-07-25 Padmalochan Panda , R. Ramaseshan , N Ravi , G. Mangamma , Feby Jose , S. Dash , K. Suzuki , H. Suematsu

This study investigates the electrical and structural properties of MOSCAPs with in-situ MOCVD-grown Al$_2$O$_3$ dielectrics on (010) $\beta$-Ga$_2$O$_3$ and $\beta$-(Al$_x$Ga$_{1-x}$)$_2$O$_3$ films. The Al$_2$O$_3$/$\beta$-Ga$_2$O$_3$…